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2003 Mercury Grand Marquis acceleration complaints

Page 2 of 2: complaints 11 to 27 of 27, newest first, as owners wrote them.

See the summary of 2003 Mercury Grand Marquis acceleration problems: which part fails, at what mileage and related recalls.

Filed Jun 13, 2008 · Acceleration · 44,500 miles · CA

Tl*the contact owns a 2003 mercury grand marquis. While waiting to make a right turn with the brake pedal depressed, the vehicle slowly began to move. The contact depressed the brake pedal harder and the engine immediately began to race. The tires began to screech and the vehicle lunged forward uncontrollably into oncoming traffic. He shifted into neutral to turn off the ignition and was five feet into the other lane. No crash occurred. The failure has occurred on four occasions. The contact restarted the vehicle and drove ten miles to his residence. He will have the vehicle towed to the dealer. The failure mileage was 44,500.

Filed Apr 17, 2007 · Acceleration · 58,000 miles · SC · crash

Tl*the contact owns a 2003 mercury grand marquis. While waiting to turn at a stop sign the engine increased in rpms and accelerated forward. The failure caused the contact's vehicle to crash into the vehicle in front of him. Both vehicles were damaged , and a police report was taken. The vehicle was at the dealer awaiting a diagnostic to determine the cause of failure. The contact was waiting for an insurance estimate and report. The current and failure mileages were 58,000.

Filed Jan 11, 2007 · Acceleration · 18,000 miles · MA

Tl* - on 12/20/06 while exiting the driveway his 2003 mercury grand marquis rear ended another vehicle. The contact try to apply the break pedal, but couldn't get the vehicle to stop on time because the brake pedal is 4 inches higher than the accelerator pedal. The contact is concern for safety, because he has experience the same incident several of times.

Filed Nov 17, 2006 · Acceleration · 24,000 miles · MI · crash · 1 injury

Dt*: the contact stated while parked with the ignition on; the vehicle suddenly lurched forward without warning. The brakes were depressed and the ignition was turned off, which stopped the vehicle after it traveled 60 ft. This had occurred on numerous occasions. Also, while traveling 60 MPH with the cruise control engaged, the vehicle sped uncontrollably to 80 MPH. The brakes were depressed, but did not disengage the cruise control. Also, while traveling 40 MPH, the vehicle accelerated suddenly, causing the contact to drive the vehicle into a ditch to avoid an accident. The contact sustained a bruise to the shoulder. The manufacturer was contacted, and provided no assistance since the vehicle was out of warranty. The vehicle was taken to a service dealer twice, where the cruise control was replaced, but the problem persisted.

Filed Jun 28, 2006 · Acceleration, Brakes · 18,091 miles · WI

Dt*: on three occasions when the gear was placed into drive the vehicle would lurch forward or when the brakes were applied the same thing would occur causing the tires to screech. The vehicle was taken to dealers who determined that the gas and brake pedals were to close to each other. When depressing one pedal the other pedal was also applied. The dealers also determined that because the pedals were in close proximity it would cause the vehicle to unintentionally accelerate. The dealers contacted the manufacturer who confirmed that there were no recalls on this issue. Updated 7/14/2006 -

Filed Aug 15, 2005 · Acceleration, Electrical · 1,000 miles · CA

2003 grand marquis developed problems with the alternator, the throttle sticking open and alignment problems.*mr there was also a rattle noise coming from the engine and the digital readout on the dash was not reading properly.

Filed Mar 2, 2005 · Acceleration, Electrical · 10,000 miles · NJ · crash

The engine revved in full throttle when the gear shifter was shifted into drive from park; resulting in a rear end collision. This occurred while in stop and go traffic in the car wash line. The repair shop failed to determined what caused the failure, but the consumer feels due through their own research that it was caused by the electrical system/cruise control.

Filed Feb 16, 2005 · Acceleration · 20,397 miles · OH

While stopped at a traffic light with foot on brake, the vehicle kicked into a fast idle. *bf

Filed Dec 15, 2004 · Acceleration · 20,000 miles · MS · crash

Consumer complained about sudden acceleration. Consumer was in a parking lot and put the vehicle in drive. Did not press the accelerator, and vehicle jumped the curb and flattened two tires.consumer had the vehicle towed to a body shop.

Filed Jun 22, 2004 · Acceleration · NJ · crash

Rental auto was parked face out in hotel parking lot. Driver started auto, driver and passenger put on seat belts; with foot on brake, driver shifted into drive and car suddenly accelerated a a high rate of speed (tires smoking) across parking lot driveway and crashed into two parked cars in opposite parking spaces. Both parked cars were driven back approximately 10 to 15 feet, one of the autos went through hedges and crashed into a car parked at the street. Driver was unable to stop car, and finally turned off ignition after collision. Witness to police report stated that heard tires screeching and tires were still smoking after autos collided. Car was towed to hertz lot. Have not gotten report of cause from hertz. The entire event from placing the car in drive until it struck the parked cars took about 2 seconds (the auto travelled approximately 30 feet to impact).

Filed Jan 22, 2004 · Acceleration · 1,828 miles · FL

Vehicle suddenly zoomed forward while leaving a parking lot. *ph on several occasions, the consumer experienced sudden acceleration with the vehicle. The dealership checked all the linkages and pedal assembly but was unable to diagnose the defect which caused this dangerous condition. *tt

Filed Sep 26, 2003 · Acceleration · WA · crash

Consumer stated that due to the proximity of gas and brake pedals, when depressing brake pedal consumer stepped on gas pedal, causing vehicle to accelerate and run into a post.

Filed Sep 16, 2003 · Acceleration, Brakes · MD

Brake pedal and gas pedal are too closely located. When stepping on brake pedal consumer can hit the gas pedal at the same time.

Filed Sep 16, 2003 · Acceleration, Electrical · NC

While driving under raining conditions cruise control was not working. Instrument lights panel was off, and windshield worked intermittently. Dealer replaced two computers in the electrical system , but problem still occurring.

Filed Sep 3, 2003 · Acceleration · 61,000 miles · MI

When applying pressure to the brake, the accelerator surged. *mr

Filed Aug 7, 2003 · Acceleration, Engine · DE · crash · 5 injuries

After starting and shifting into drive the engine raced and there was unexpected acceleration and the car would not stop even while applying brake. Turned vehicle off after crash and the engine continued to sound like it was running.

Filed Feb 21, 2003 · Acceleration · MA

The accelerator became stuck in the idle position.

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